24 Botanisches Centralblatt 



Stakman, E. C. und L. Jensen. 1915. Infection experiments with Ti- 

 mothy rust. (Journ. agr. Res. V. p. 211-216.) 



Stevens, F. L. 1915. Three strawberr}^ fungi which cause fruit rots, 

 (Science. 2. XLI. p. 912—913.) 



Townsend, C. 0. 1915. Sugar-beet mosaic. (Science. 2. XLII. p. 219 — 220.) 



Whetzel, H. H. 1915. Diseases of the peony. (Trans. Massachusetts 

 hört. Soc. 1915. p. 103—112. 2 pl.) 



Zimmermann, H. 1915. Bericht der Hauptsammelstelle für Pflanzen- 

 schutz in Mecklenburg-Schwerin und Mecklenburg- Strelitz für das 

 Jahr 1914. (Stuttgart, E. Ulmer. 1915. 8«. 116 pp.) 



XIV. Bacteriologie. 



Baiser, E. 1914. Der Einfluss des Alkohols auf Bakterien. (Giessen 



1914. 8". 51 pp.) 

 Coupin, H. 1915. Sur le pouvoir fermentaire des Bacteries marines. 



(C. R. Ac. Sc. Paris. CLXI. p. 597-600.) 

 Heald, F. D. 1915. Preliminary note on leaf invasions by Bacillus 



amylovorus. (Bull. Washington Agr. Exp. Stat. 1915. p. 125.) 



XV. Lichenes. 



Howe, R. H. 1915. Monograph of the Usnaceae of the United States 



and Canada. Part IL (Concord, Mass., Mem. Thoreau Mus. Nat. 



Hist. 1915. 36 pp. 11 pl. 8 fig.) 

 Howe Jr., R. H. 1915. The genus Cetraria as represented in the 



United States and Canada. [Torreya. XV. p. 213-230. 10 f.) 

 Yasuda, A. 1915. Fünf neue Arten der Flechten. (Bot. Mag. Tok}-©, 



XXIX. p. (3 17) -(322). Japanese.) 



XVI. Bryophyten. 



Brotherus, V. F. et Sh. Okamura. 1915. Ishibaea, novum Brachy- 

 theciacearum genus ex Japonia. (Bot. Mag. Tokyo. XXIX. p. 

 186-188. 1 t.) 



Evans, A. W. 1915. Notes on New England Hepaticae. XII. (Rhodora. 

 XVII. p. 107-120.) 



Lampa, E. 1915. Untersuchungen über die ersten Entwicklungssta- 

 dien einiger Moose. (Oesterr. bot. Zschr. LXV. p. 195 — 204. 30 F.) 



Okamura, Sh. 1915. Ueber einige Arten von Bryophyten aus gewis- 

 sen Seeboden in Japan. II. (Bot. Mag. Tokyo. XXIX. p. (334)-(338.) 

 Japanese.) 



Schiffner, V. 1915. Neue Mitteilungen über Lebermoose aus Dalma- 

 tien und Istrien. (Oesterr. bot Zschr. LXV. p. 190—195.) 



Stephani, F. 1915. Species Hepaticarum. Fase. 66 (Lejeunea). (Bull, 

 Soc. bot. Geneve. 1915. p. 737—784.) 



Williams, R. S. 1915. Mosses of the Philippine and Hawaiian Islands 

 collected b}' the late John B, Leiberg. (Bull. Torrey bot. Club. 

 XLII. p. 571—577.) 



XVn. Pteridophyten. 



Bicknell, E. P. 1915. The ferns and flowering plants of Nantucket. 



XVI. (Bull. Torrey bot. Club. XLII. p. 549—570.) 

 Bower, F. 0. 1915. vStudies in the phylogen}?- of the Filicales. V. 



Cheiropleuria bicuspis (Bl), Presl. and certain other related ferns. 



(Ann. of Bot. XXIX. p. 495—529. 2 pl. 19 f.) 

 Hayata, B. 1915. Can Prosaptia properly be placed under Davallia? 



i. e. is it reallv distinct from Polvpodium? (Bot. Mag. Tok}"©. 



XXIX. p. 161 — f 68.) 



